—What do you think of the report about the air pollution on TV last night?—I think the situation is so that we should take action to protect the environment.
The old over 90 not only by their family but also by the government in many places.
—Is Jack in the classroom now? —No, he football on the playground.
—Where is your brother? —He has gone to Beijing. He back in three days.
—Ann, I am worried I’m getting fatter. What shall I do? —I think you should eat ________ food and do more exercise.
—Why don’t you buy the bike, Mary? — It’s too expensive. I can’t it.